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  <title>大宗商品采购中心 - 专业B2B采购平台</title>
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  <!-- 搜索区域 -->
  <section class="bg-primary py-6 px-4 md:px-8">
    <div class="max-w-7xl mx-auto">
      <div class="flex flex-col md:flex-row gap-4">
        <!-- 搜索框 -->
        <div class="relative flex-grow">
          <input 
            type="text" 
            placeholder="搜索大宗商品、供应商或品类..." 
            class="w-full py-3 px-5 pr-12 rounded-lg text-dark focus:outline-none focus:ring-2 focus:ring-secondary"
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          <button class="absolute right-4 top-1/2 transform -translate-y-1/2 text-neutral-400 hover:text-primary transition-colors">
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        <div class="flex gap-2 md:gap-4">
          <button class="bg-white text-primary px-5 py-3 rounded-lg font-medium hover:bg-neutral-100 transition-colors flex items-center gap-2">
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            <span>分类浏览</span>
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            <span>快速采购</span>
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      <!-- 热门搜索标签 -->
      <div class="mt-4 flex flex-wrap gap-2">
        <span class="text-white/80 text-sm">热门搜索:</span>
        <a href="#" class="text-white text-sm hover:underline">螺纹钢</a>
        <a href="#" class="text-white text-sm hover:underline">铁矿石</a>
        <a href="#" class="text-white text-sm hover:underline">原油</a>
        <a href="#" class="text-white text-sm hover:underline">铜</a>
        <a href="#" class="text-white text-sm hover:underline">煤炭</a>
        <a href="#" class="text-white text-sm hover:underline">铝</a>
        <a href="#" class="text-white text-sm hover:underline">大豆</a>
      </div>
    </div>
  </section>

  <!-- 主内容区 -->
  <main class="max-w-7xl mx-auto px-4 md:px-8 py-8">
    <!-- 分类导航 -->
    <section class="mb-10">
      <h2 class="text-[clamp(1.25rem,3vw,1.75rem)] font-bold mb-6 flex items-center">
        <i class="fa fa-th-large text-primary mr-2"></i>
        商品分类
      </h2>
      
      <div class="grid grid-cols-2 sm:grid-cols-3 md:grid-cols-4 lg:grid-cols-6 gap-4">
        <!-- 分类项 -->
        <a href="#" class="bg-white rounded-xl p-4 text-center card-shadow hover-lift">
          <div class="w-12 h-12 bg-primary/10 rounded-full flex items-center justify-center mx-auto mb-3">
            <i class="fa fa-industry text-primary text-xl"></i>
          </div>
          <h3 class="font-medium">钢铁冶金</h3>
          <p class="text-xs text-neutral-400 mt-1">2,458种商品</p>
        </a>
        
        <a href="#" class="bg-white rounded-xl p-4 text-center card-shadow hover-lift">
          <div class="w-12 h-12 bg-secondary/10 rounded-full flex items-center justify-center mx-auto mb-3">
            <i class="fa fa-bolt text-secondary text-xl"></i>
          </div>
          <h3 class="font-medium">能源化工</h3>
          <p class="text-xs text-neutral-400 mt-1">1,876种商品</p>
        </a>
        
        <a href="#" class="bg-white rounded-xl p-4 text-center card-shadow hover-lift">
          <div class="w-12 h-12 bg-accent/10 rounded-full flex items-center justify-center mx-auto mb-3">
            <i class="fa fa-diamond text-accent text-xl"></i>
          </div>
          <h3 class="font-medium">有色金属</h3>
          <p class="text-xs text-neutral-400 mt-1">1,245种商品</p>
        </a>
        
        <a href="#" class="bg-white rounded-xl p-4 text-center card-shadow hover-lift">
          <div class="w-12 h-12 bg-green-100 rounded-full flex items-center justify-center mx-auto mb-3">
            <i class="fa fa-leaf text-green-600 text-xl"></i>
          </div>
          <h3 class="font-medium">农产品</h3>
          <p class="text-xs text-neutral-400 mt-1">986种商品</p>
        </a>
        
        <a href="#" class="bg-white rounded-xl p-4 text-center card-shadow hover-lift">
          <div class="w-12 h-12 bg-purple-100 rounded-full flex items-center justify-center mx-auto mb-3">
            <i class="fa fa-cubes text-purple-600 text-xl"></i>
          </div>
          <h3 class="font-medium">建材家居</h3>
          <p class="text-xs text-neutral-400 mt-1">1,567种商品</p>
        </a>
        
        <a href="#" class="bg-white rounded-xl p-4 text-center card-shadow hover-lift">
          <div class="w-12 h-12 bg-red-100 rounded-full flex items-center justify-center mx-auto mb-3">
            <i class="fa fa-plus-circle text-red-600 text-xl"></i>
          </div>
          <h3 class="font-medium">更多分类</h3>
          <p class="text-xs text-neutral-400 mt-1">全部分类</p>
        </a>
      </div>
    </section>
    
    <!-- 价格行情与热门商品 -->
    <div class="grid grid-cols-1 lg:grid-cols-3 gap-8 mb-10">
      <!-- 价格行情 -->
      <div class="lg:col-span-1 bg-white rounded-xl p-6 card-shadow">
        <div class="flex justify-between items-center mb-6">
          <h2 class="text-xl font-bold flex items-center">
            <i class="fa fa-line-chart text-primary mr-2"></i>
            价格行情
          </h2>
          <a href="#" class="text-primary text-sm hover:underline">查看全部</a>
        </div>
        
        <!-- 价格图表 -->
        <div class="h-64 mb-6">
          <canvas id="priceChart"></canvas>
        </div>
        
        <!-- 价格列表 -->
        <div class="space-y-4">
          <div class="flex justify-between items-center pb-3 border-b border-neutral-200">
            <div class="flex items-center">
              <span class="w-24">螺纹钢</span>
              <span class="text-xs bg-blue-50 text-blue-600 px-2 py-0.5 rounded ml-2">涨</span>
            </div>
            <div class="text-right">
              <div class="font-medium">4,256元/吨</div>
              <div class="text-green-600 text-sm">+1.2%</div>
            </div>
          </div>
          
          <div class="flex justify-between items-center pb-3 border-b border-neutral-200">
            <div class="flex items-center">
              <span class="w-24">铁矿石</span>
              <span class="text-xs bg-blue-50 text-blue-600 px-2 py-0.5 rounded ml-2">涨</span>
            </div>
            <div class="text-right">
              <div class="font-medium">896元/吨</div>
              <div class="text-green-600 text-sm">+0.8%</div>
            </div>
          </div>
          
          <div class="flex justify-between items-center pb-3 border-b border-neutral-200">
            <div class="flex items-center">
              <span class="w-24">铜</span>
              <span class="text-xs bg-red-50 text-red-600 px-2 py-0.5 rounded ml-2">跌</span>
            </div>
            <div class="text-right">
              <div class="font-medium">68,452元/吨</div>
              <div class="text-red-600 text-sm">-0.5%</div>
            </div>
          </div>
          
          <div class="flex justify-between items-center">
            <div class="flex items-center">
              <span class="w-24">原油</span>
              <span class="text-xs bg-blue-50 text-blue-600 px-2 py-0.5 rounded ml-2">涨</span>
            </div>
            <div class="text-right">
              <div class="font-medium">5,328元/吨</div>
              <div class="text-green-600 text-sm">+2.3%</div>
            </div>
          </div>
        </div>
      </div>
      
      <!-- 热门商品 -->
      <div class="lg:col-span-2 bg-white rounded-xl p-6 card-shadow">
        <div class="flex justify-between items-center mb-6">
          <h2 class="text-xl font-bold flex items-center">
            <i class="fa fa-fire text-accent mr-2"></i>
            热门采购商品
          </h2>
          <div class="flex gap-2">
            <button class="px-3 py-1 text-sm bg-primary text-white rounded-full">全部</button>
            <button class="px-3 py-1 text-sm bg-neutral-100 text-neutral-500 rounded-full hover:bg-neutral-200 transition-colors">钢铁</button>
            <button class="px-3 py-1 text-sm bg-neutral-100 text-neutral-500 rounded-full hover:bg-neutral-200 transition-colors">化工</button>
            <button class="px-3 py-1 text-sm bg-neutral-100 text-neutral-500 rounded-full hover:bg-neutral-200 transition-colors">金属</button>
          </div>
        </div>
        
        <!-- 商品列表 -->
        <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
          <!-- 商品项 -->
          <div class="flex gap-4 p-3 rounded-lg hover:bg-neutral-50 transition-colors">
            <div class="w-20 h-20 bg-neutral-100 rounded-lg overflow-hidden flex-shrink-0">
              <img src="https://picsum.photos/seed/steel/200/200" alt="螺纹钢" class="w-full h-full object-cover">
            </div>
            <div class="flex-grow">
              <h3 class="font-medium line-clamp-1">HRB400E 螺纹钢 12mm-32mm</h3>
              <p class="text-sm text-neutral-400 mt-1 line-clamp-1">鞍钢/首钢 建筑用钢 抗震钢筋</p>
              <div class="flex justify-between items-center mt-2">
                <div>
                  <span class="text-accent font-bold">¥4,250</span>
                  <span class="text-sm text-neutral-400">/吨</span>
                </div>
                <div class="flex items-center text-sm text-neutral-400">
                  <i class="fa fa-shopping-cart mr-1"></i>
                  <span>2,345笔</span>
                </div>
              </div>
            </div>
          </div>
          
          <div class="flex gap-4 p-3 rounded-lg hover:bg-neutral-50 transition-colors">
            <div class="w-20 h-20 bg-neutral-100 rounded-lg overflow-hidden flex-shrink-0">
              <img src="https://picsum.photos/seed/iron/200/200" alt="铁矿石" class="w-full h-full object-cover">
            </div>
            <div class="flex-grow">
              <h3 class="font-medium line-clamp-1">澳大利亚 62% 铁矿石粉</h3>
              <p class="text-sm text-neutral-400 mt-1 line-clamp-1">进口铁矿石 铁精粉 钢厂用料</p>
              <div class="flex justify-between items-center mt-2">
                <div>
                  <span class="text-accent font-bold">¥890</span>
                  <span class="text-sm text-neutral-400">/吨</span>
                </div>
                <div class="flex items-center text-sm text-neutral-400">
                  <i class="fa fa-shopping-cart mr-1"></i>
                  <span>1,876笔</span>
                </div>
              </div>
            </div>
          </div>
          
          <div class="flex gap-4 p-3 rounded-lg hover:bg-neutral-50 transition-colors">
            <div class="w-20 h-20 bg-neutral-100 rounded-lg overflow-hidden flex-shrink-0">
              <img src="https://picsum.photos/seed/copper/200/200" alt="电解铜" class="w-full h-full object-cover">
            </div>
            <div class="flex-grow">
              <h3 class="font-medium line-clamp-1">1# 电解铜 纯度99.99%</h3>
              <p class="text-sm text-neutral-400 mt-1 line-clamp-1">江西铜业 工业用铜 导电材料</p>
              <div class="flex justify-between items-center mt-2">
                <div>
                  <span class="text-accent font-bold">¥68,320</span>
                  <span class="text-sm text-neutral-400">/吨</span>
                </div>
                <div class="flex items-center text-sm text-neutral-400">
                  <i class="fa fa-shopping-cart mr-1"></i>
                  <span>1,254笔</span>
                </div>
              </div>
            </div>
          </div>
          
          <div class="flex gap-4 p-3 rounded-lg hover:bg-neutral-50 transition-colors">
            <div class="w-20 h-20 bg-neutral-100 rounded-lg overflow-hidden flex-shrink-0">
              <img src="https://picsum.photos/seed/coal/200/200" alt="动力煤" class="w-full h-full object-cover">
            </div>
            <div class="flex-grow">
              <h3 class="font-medium line-clamp-1">5500大卡 动力煤</h3>
              <p class="text-sm text-neutral-400 mt-1 line-clamp-1">神华集团 电煤 锅炉用煤</p>
              <div class="flex justify-between items-center mt-2">
                <div>
                  <span class="text-accent font-bold">¥980</span>
                  <span class="text-sm text-neutral-400">/吨</span>
                </div>
                <div class="flex items-center text-sm text-neutral-400">
                  <i class="fa fa-shopping-cart mr-1"></i>
                  <span>987笔</span>
                </div>
              </div>
            </div>
          </div>
        </div>
        
        <div class="text-center mt-6">
          <a href="#" class="inline-flex items-center text-primary font-medium hover:underline">
            查看更多商品
            <i class="fa fa-angle-right ml-1"></i>
          </a>
        </div>
      </div>
    </div>
    
    <!-- 优质供应商 -->
    <section class="mb-10">
      <div class="flex justify-between items-center mb-6">
        <h2 class="text-xl font-bold flex items-center">
          <i class="fa fa-building text-primary mr-2"></i>
          优质供应商
        </h2>
        <a href="#" class="text-primary hover:underline">查看全部</a>
      </div>
      
      <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-6">
        <!-- 供应商卡片 -->
        <div class="bg-white rounded-xl p-5 card-shadow hover-lift">
          <div class="flex items-center mb-4">
            <div class="w-12 h-12 bg-neutral-100 rounded-full overflow-hidden mr-4">
              <img src="https://picsum.photos/seed/supplier1/100/100" alt="供应商logo" class="w-full h-full object-cover">
            </div>
            <div>
              <h3 class="font-medium">鞍钢集团有限公司</h3>
              <div class="flex items-center text-yellow-400 text-xs mt-0.5">
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <i class="fa fa-star-half-o"></i>
                <span class="text-neutral-400 ml-1">4.5</span>
              </div>
            </div>
          </div>
          
          <p class="text-sm text-neutral-500 mb-4 line-clamp-2">
            鞍钢集团是中国特大型钢铁企业，拥有完整的钢铁产业链，主要产品包括热轧板、冷轧板、螺纹钢等。
          </p>
          
          <div class="flex flex-wrap gap-2 mb-4">
            <span class="px-2 py-1 bg-neutral-100 text-neutral-500 text-xs rounded-full">螺纹钢</span>
            <span class="px-2 py-1 bg-neutral-100 text-neutral-500 text-xs rounded-full">热轧卷板</span>
            <span class="px-2 py-1 bg-neutral-100 text-neutral-500 text-xs rounded-full">中厚板</span>
          </div>
          
          <div class="flex justify-between items-center">
            <span class="text-sm text-neutral-400">供应商品: 128种</span>
            <button class="text-primary text-sm font-medium hover:underline">联系供应商</button>
          </div>
        </div>
        
        <div class="bg-white rounded-xl p-5 card-shadow hover-lift">
          <div class="flex items-center mb-4">
            <div class="w-12 h-12 bg-neutral-100 rounded-full overflow-hidden mr-4">
              <img src="https://picsum.photos/seed/supplier2/100/100" alt="供应商logo" class="w-full h-full object-cover">
            </div>
            <div>
              <h3 class="font-medium">中国石化化工销售有限公司</h3>
              <div class="flex items-center text-yellow-400 text-xs mt-0.5">
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <span class="text-neutral-400 ml-1">5.0</span>
              </div>
            </div>
          </div>
          
          <p class="text-sm text-neutral-500 mb-4 line-clamp-2">
            中国石化旗下专业化工产品销售公司，经营各类石化产品，包括聚乙烯、聚丙烯、合成橡胶等。
          </p>
          
          <div class="flex flex-wrap gap-2 mb-4">
            <span class="px-2 py-1 bg-neutral-100 text-neutral-500 text-xs rounded-full">聚乙烯</span>
            <span class="px-2 py-1 bg-neutral-100 text-neutral-500 text-xs rounded-full">聚丙烯</span>
            <span class="px-2 py-1 bg-neutral-100 text-neutral-500 text-xs rounded-full">乙二醇</span>
          </div>
          
          <div class="flex justify-between items-center">
            <span class="text-sm text-neutral-400">供应商品: 96种</span>
            <button class="text-primary text-sm font-medium hover:underline">联系供应商</button>
          </div>
        </div>
        
        <div class="bg-white rounded-xl p-5 card-shadow hover-lift">
          <div class="flex items-center mb-4">
            <div class="w-12 h-12 bg-neutral-100 rounded-full overflow-hidden mr-4">
              <img src="https://picsum.photos/seed/supplier3/100/100" alt="供应商logo" class="w-full h-full object-cover">
            </div>
            <div>
              <h3 class="font-medium">江西铜业股份有限公司</h3>
              <div class="flex items-center text-yellow-400 text-xs mt-0.5">
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <i class="fa fa-star-o"></i>
                <span class="text-neutral-400 ml-1">4.0</span>
              </div>
            </div>
          </div>
          
          <p class="text-sm text-neutral-500 mb-4 line-clamp-2">
            国内最大的铜生产企业，主要产品包括电解铜、铜加工材、黄金、白银等有色金属产品。
          </p>
          
          <div class="flex flex-wrap gap-2 mb-4">
            <span class="px-2 py-1 bg-neutral-100 text-neutral-500 text-xs rounded-full">电解铜</span>
            <span class="px-2 py-1 bg-neutral-100 text-neutral-500 text-xs rounded-full">铜杆</span>
            <span class="px-2 py-1 bg-neutral-100 text-neutral-500 text-xs rounded-full">黄金</span>
          </div>
          
          <div class="flex justify-between items-center">
            <span class="text-sm text-neutral-400">供应商品: 64种</span>
            <button class="text-primary text-sm font-medium hover:underline">联系供应商</button>
          </div>
        </div>
        
        <div class="bg-white rounded-xl p-5 card-shadow hover-lift">
          <div class="flex items-center mb-4">
            <div class="w-12 h-12 bg-neutral-100 rounded-full overflow-hidden mr-4">
              <img src="https://picsum.photos/seed/supplier4/100/100" alt="供应商logo" class="w-full h-full object-cover">
            </div>
            <div>
              <h3 class="font-medium">神华集团有限责任公司</h3>
              <div class="flex items-center text-yellow-400 text-xs mt-0.5">
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <i class="fa fa-star"></i>
                <i class="fa fa-star-half-o"></i>
                <span class="text-neutral-400 ml-1">4.7</span>
              </div>
            </div>
          </div>
          
          <p class="text-sm text-neutral-500 mb-4 line-clamp-2">
            中国最大的煤炭生产企业，主要产品包括动力煤、焦煤、无烟煤等，供应电力、钢铁、化工等行业。
          </p>
          
          <div class="flex flex-wrap gap-2 mb-4">
            <span class="px-2 py-1 bg-neutral-100 text-neutral-500 text-xs rounded-full">动力煤</span>
            <span class="px-2 py-1 bg-neutral-100 text-neutral-500 text-xs rounded-full">焦煤</span>
            <span class="px-2 py-1 bg-neutral-100 text-neutral-500 text-xs rounded-full">煤炭</span>
          </div>
          
          <div class="flex justify-between items-center">
            <span class="text-sm text-neutral-400">供应商品: 42种</span>
            <button class="text-primary text-sm font-medium hover:underline">联系供应商</button>
          </div>
        </div>
      </div>
    </section>
    
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